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Finding the Fourth Proportional to 271,470.96, 374,647.64 and 156,754.44

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Solution

The fourth proportional to 271,470.96, 374,647.64 and 156,754.44 is: 216,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,470.96 : 374,647.64 = 156,754.44 : x
  2. Step 2: Convert to fraction form
    271,470.96/374,647.64 = 156,754.44/x
  3. Step 3: Cross multiply
    271,470.96x = 374,647.64 × 156,754.44
  4. Step 4: Simplify right side
    271,470.96x = 58,727,680,221.75
  5. Step 5: Solve for x
    x = 58,727,680,221.75/271,470.96
  6. Step 6: Final answer
    x = 216,331.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.